On the trapdoor spiders of Mexico: description of the first new species of the spider genus Aptostichus from Mexico and the description of the female of Euctenizazapatista (Araneae, Mygalomorphae, Euctenizidae) Author Valdez-Mondragon, Alejandro Author Cortez-Roldan, Mayra R. text ZooKeys 2016 641 81 102 http://dx.doi.org/10.3897/zookeys.641.10521 journal article http://dx.doi.org/10.3897/zookeys.641.10521 1313-2970-641-81 8546B6283F7C4706A6F4EB33280A8FD0 Genus Aptostichus Simon, 1891 Type species. Aptostichus atomarius Simon, 1891. Diagnosis. For updated diagnosis of the genus see Bond (2012) : 29. General description. For updated description of the genus see Bond (2012) : 29. Species groups. Atomarius , Hesperus , Simus , and Sierra ( Bond 2012 ). Composition. Aptostichus aguacaliente Bond, 2012; Aptostichus angelinajolieae Bond, 2008; Aptostichus anzaborrego Bond, 2012; Aptostichus asmodaeus Bond, 2012; Aptostichus atomarius Simon, 1891; Aptostichus barackobamai Bond, 2012; Aptostichus bonoi Bond, 2012; Aptostichus cabrillo Bond, 2012; Aptostichus cahuilla Bond, 2012; Aptostichus cajalco Bond, 2012; Aptostichus chavezi Bond, 2012; Aptostichus chemehuevi Bond, 2012; Aptostichus chiricahua Bond, 2012; Aptostichus dantrippi Bond, 2012; Aptostichus derhamgiulianii Bond, 2012; Aptostichus dorothealangeae Bond, 2012; Aptostichus edwardabbeyi Bond, 2012; Aptostichus elisabethae Bond, 2012; Aptostichus fisheri Bond, 2012; Aptostichus fornax Bond, 2012; Aptostichus hedinorum Bond, 2012; Aptostichus hesperus (Chamberlin, 1919); Aptostichus huntington Bond, 2012; Aptostichus icenoglei Bond, 2012; Aptostichus isabella Bond, 2012; Aptostichus killerdana Bond, 2012; Aptostichus lucerne Bond, 2012; Aptostichus mikeradtkei Bond, 2012; Aptostichus miwok Bond, 2008; Aptostichus muiri Bond, 2012; Aptostichus nateevansi Bond, 2012; Aptostichus pennjillettei Bond, 2012; Aptostichus sabinae sp. n., Aptostichus sarlacc Bond, 2012; Aptostichus satleri Bond, 2012; Aptostichus serrano Bond, 2012; Aptostichus sierra Bond, 2012; Aptostichus simus Chamberlin, 1917; Aptostichus sinnombre Bond, 2012; Aptostichus stanfordianus Smith, 1908; and Aptostichus stephencolberti Bond, 2008. Total: 41 species. Distribution. United States, Mexico.